/*
 * This is the MIT license, see also http://www.opensource.org/licenses/mit-license.html
 *
 * Copyright (c) 2001 Brian Pitcher
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package weblech.ui;

import org.apache.log4j.Logger;

import weblech.spider.Constants;
import weblech.spider.Spider;
import weblech.spider.SpiderConfig;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

public class ClassPathTextSpider implements Constants {

	private static final Logger log = Logger.getLogger(ClassPathTextSpider.class);
    
    public static void main(String[] args) {
        
        
        /**先导入配置文件*/
        InputStream propsInput = Thread.currentThread().getContextClassLoader()
                                    .getResourceAsStream("Spider.properties");

        Properties props = new Properties();
        try {
            props.load(propsInput);
        } catch (IOException ioe) {
            log.debug("Io Exception");
        }
        SpiderConfig config = new SpiderConfig(props);

        Spider spider = new Spider(config); 
        spider.initialize();

        try {
            while (spider.isRunning()) {
                if (System.in.available() != 0) {
                    System.out.println("\nStopping Spider...\n");
                    spider.stop();

                    break;
                }
                pause(SPIDER_STOP_PAUSE);
            }
        } catch (IOException ioe) {
            log.error("Unexpected exception caught: " + ioe.getMessage(), ioe);
            System.exit(1);
        }
    }

    private static void pause(long howLong) {
        try {
            Thread.sleep(howLong);
        } catch (InterruptedException ignored) {}
    }
} 
